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COSMX 82D6J7 Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.

Discover the COSMX 82D6J7 cell designed to maximise flight time for drones, optimising performance and efficiency in demanding applications.

Value Propositions

  • Pouch form factor with a nominal capacity of 74.0 Wh and 20.0 Ah.

  • Volumetric energy density of 351 Wh/l, ensuring compact design for UAV applications.

  • Gravimetric energy density of 157 Wh/kg, ideal for lightweight drone battery packs.

  • Maximum continuous discharge of 400 A, top-quartile vs median of 30 A.

  • Volumetric power density of 7026 W/l, +58% vs database median of 2029 W/l.

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About the Cell

The COSMX 82D6J7 cell is a pouch-type lithium-ion battery designed specifically for UAV applications. With a nominal capacity of 74.0 Wh and 20.0 Ah, it offers a robust solution for high-energy demands. Its volumetric energy density of 351 Wh/l positions it well above the median of 541.67 Wh/l in the database, making it suitable for compact drone designs. The gravimetric energy density of 157 Wh/kg is also noteworthy, providing a lightweight option for drone battery packs. The cell's maximum continuous discharge rate of 400 A places it in the top-quartile compared to the median of 30 A, ensuring it can handle high power demands efficiently. Additionally, the volumetric power density of 7026 W/l is significantly higher than the median, allowing for rapid energy delivery when needed.

Application Challenges

In the context of EVTOL applications, maximising flight time is critical. This involves optimising cell selection, duty cycle, and flight speed to achieve the longest possible airtime. The COSMX 82D6J7 cell addresses these challenges effectively. High energy density is essential for extending drone flight times, especially in demanding environments. The ability to deliver substantial power without overheating is crucial for maintaining operational safety and efficiency. Furthermore, the lightweight design of the 82D6J7 cell contributes to improved UAV mission endurance, enabling drones to carry heavier payloads while still achieving optimal flight times. The challenge lies in balancing energy capacity with the weight of the battery, ensuring that drones can perform their tasks without compromising on performance or safety.

Why this Cell

The COSMX 82D6J7 cell is an excellent choice for EVTOL applications due to its impressive specifications. With a maximum continuous discharge of 400 A, it is in the top-quartile compared to the median of 30 A, ensuring it can handle demanding flight profiles. The volumetric energy density of 351 Wh/l is significantly above the median, allowing for compact battery designs that do not sacrifice performance. Additionally, the gravimetric energy density of 157 Wh/kg supports lightweight drone designs, which is essential for maximising flight time. This cell's ability to deliver high power density of 7026 W/l, which is +58% vs the median, makes it ideal for rapid energy needs during flight, ensuring that drones can perform efficiently under various conditions.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the performance of the COSMX 82D6J7 cell for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the cell will perform under different conditions. This allows for the selection of the most suitable cell for specific missions, ensuring that the drone can achieve its required thrust and energy output. For instance, simulating thermal rise helps identify potential overheating issues, enabling the design of effective battery thermal management systems. Furthermore, voltage sag can be modelled to ensure that the drone maintains adequate power throughout its flight, preventing mid-air failures. By utilising cell-specific data, engineers can make informed decisions that enhance UAV performance and reliability, ultimately leading to successful missions.

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